./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '776d32abf1ae3b62e7ad4a02cd7c02c0cc6433852a1fe73b7d30c6e216da832a'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 776d32abf1ae3b62e7ad4a02cd7c02c0cc6433852a1fe73b7d30c6e216da832a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:23:49,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:23:49,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:23:49,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:23:49,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:23:49,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:23:49,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:23:49,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:23:49,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:23:49,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:23:49,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:23:49,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:23:49,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:23:49,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:23:49,501 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:23:49,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:23:49,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:23:49,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:23:49,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:23:49,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:23:49,504 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 776d32abf1ae3b62e7ad4a02cd7c02c0cc6433852a1fe73b7d30c6e216da832a [2024-11-07 20:23:49,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:23:49,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:23:49,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:23:49,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:23:49,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:23:49,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-11-07 20:23:50,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:23:51,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:23:51,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound10.c [2024-11-07 20:23:51,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44012bda1/6c90e2ce4cb34bf2bc079bbbe3c7bde4/FLAGdcf457243 [2024-11-07 20:23:51,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44012bda1/6c90e2ce4cb34bf2bc079bbbe3c7bde4 [2024-11-07 20:23:51,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:23:51,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:23:51,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:23:51,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:23:51,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:23:51,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4901ba76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51, skipping insertion in model container [2024-11-07 20:23:51,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:23:51,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:23:51,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:23:51,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:23:51,660 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:23:51,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51 WrapperNode [2024-11-07 20:23:51,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:23:51,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:23:51,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:23:51,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:23:51,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,683 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2024-11-07 20:23:51,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:23:51,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:23:51,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:23:51,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:23:51,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,699 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:23:51,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:23:51,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:23:51,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:23:51,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:23:51,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (1/1) ... [2024-11-07 20:23:51,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:23:51,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:51,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:23:51,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:23:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:23:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:23:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:23:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:23:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:23:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:23:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:23:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:23:51,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:23:51,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:23:52,406 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-07 20:23:52,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:23:52,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:23:52,417 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 20:23:52,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:52 BoogieIcfgContainer [2024-11-07 20:23:52,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:23:52,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:23:52,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:23:52,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:23:52,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:23:51" (1/3) ... [2024-11-07 20:23:52,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e440ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:52, skipping insertion in model container [2024-11-07 20:23:52,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:51" (2/3) ... [2024-11-07 20:23:52,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e440ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:52, skipping insertion in model container [2024-11-07 20:23:52,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:52" (3/3) ... [2024-11-07 20:23:52,424 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound10.c [2024-11-07 20:23:52,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:23:52,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-07 20:23:52,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:23:52,493 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ced2d43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:23:52,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-07 20:23:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 122 states have internal predecessors, (133), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:23:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:23:52,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:52,503 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:52,504 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:52,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash 945134443, now seen corresponding path program 1 times [2024-11-07 20:23:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:52,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639696040] [2024-11-07 20:23:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:52,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:52,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:52,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639696040] [2024-11-07 20:23:52,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639696040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:52,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:52,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:23:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025025392] [2024-11-07 20:23:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:52,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:23:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:52,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:23:52,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:23:52,628 INFO L87 Difference]: Start difference. First operand has 134 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 122 states have internal predecessors, (133), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:23:52,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:52,645 INFO L93 Difference]: Finished difference Result 264 states and 306 transitions. [2024-11-07 20:23:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:23:52,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-07 20:23:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:52,651 INFO L225 Difference]: With dead ends: 264 [2024-11-07 20:23:52,651 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 20:23:52,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:23:52,655 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:52,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:23:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 20:23:52,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-07 20:23:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 116 states have internal predecessors, (119), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:23:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2024-11-07 20:23:52,683 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 26 [2024-11-07 20:23:52,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:52,683 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2024-11-07 20:23:52,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:23:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2024-11-07 20:23:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:23:52,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:52,684 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:52,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:23:52,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:52,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:52,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2126333663, now seen corresponding path program 1 times [2024-11-07 20:23:52,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:52,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917918425] [2024-11-07 20:23:52,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:52,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:23:52,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917918425] [2024-11-07 20:23:52,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917918425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:52,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:52,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:23:52,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109415055] [2024-11-07 20:23:52,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:52,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:23:52,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:52,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:23:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:23:52,835 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:53,121 INFO L93 Difference]: Finished difference Result 216 states and 236 transitions. [2024-11-07 20:23:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:23:53,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-07 20:23:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:53,122 INFO L225 Difference]: With dead ends: 216 [2024-11-07 20:23:53,122 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 20:23:53,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:23:53,123 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 208 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:53,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 329 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 20:23:53,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2024-11-07 20:23:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:23:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2024-11-07 20:23:53,136 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 27 [2024-11-07 20:23:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:53,136 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2024-11-07 20:23:53,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2024-11-07 20:23:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:23:53,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:53,139 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:53,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:23:53,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:53,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash 865219886, now seen corresponding path program 1 times [2024-11-07 20:23:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:53,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745554347] [2024-11-07 20:23:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:53,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6698124] [2024-11-07 20:23:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:53,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:53,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:53,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:23:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:53,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:23:53,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:53,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:53,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:53,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745554347] [2024-11-07 20:23:53,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:53,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6698124] [2024-11-07 20:23:53,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6698124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:53,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:53,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:23:53,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240466929] [2024-11-07 20:23:53,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:53,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:23:53,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:53,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:23:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:53,255 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:53,450 INFO L93 Difference]: Finished difference Result 198 states and 216 transitions. [2024-11-07 20:23:53,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:23:53,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-07 20:23:53,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:53,454 INFO L225 Difference]: With dead ends: 198 [2024-11-07 20:23:53,455 INFO L226 Difference]: Without dead ends: 194 [2024-11-07 20:23:53,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:53,456 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 59 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:53,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 223 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:23:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-07 20:23:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2024-11-07 20:23:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 153 states have internal predecessors, (184), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2024-11-07 20:23:53,472 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 30 [2024-11-07 20:23:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:53,472 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2024-11-07 20:23:53,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2024-11-07 20:23:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:23:53,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:53,475 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:53,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:23:53,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:53,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:53,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:53,677 INFO L85 PathProgramCache]: Analyzing trace with hash 865219504, now seen corresponding path program 1 times [2024-11-07 20:23:53,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:53,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179761251] [2024-11-07 20:23:53,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:53,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435479410] [2024-11-07 20:23:53,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:53,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:53,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:23:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:53,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:23:53,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:53,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:53,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179761251] [2024-11-07 20:23:53,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435479410] [2024-11-07 20:23:53,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435479410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:53,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:53,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:23:53,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451276101] [2024-11-07 20:23:53,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:53,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:23:53,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:23:53,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:53,753 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:53,880 INFO L93 Difference]: Finished difference Result 196 states and 212 transitions. [2024-11-07 20:23:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:23:53,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-07 20:23:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:53,881 INFO L225 Difference]: With dead ends: 196 [2024-11-07 20:23:53,881 INFO L226 Difference]: Without dead ends: 194 [2024-11-07 20:23:53,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:53,882 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:53,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 241 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:23:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-07 20:23:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2024-11-07 20:23:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.75) internal successors, (182), 153 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2024-11-07 20:23:53,889 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 30 [2024-11-07 20:23:53,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:53,889 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2024-11-07 20:23:53,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2024-11-07 20:23:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:23:53,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:53,890 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:53,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:23:54,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:54,091 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:54,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:54,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1747340144, now seen corresponding path program 1 times [2024-11-07 20:23:54,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:54,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462353310] [2024-11-07 20:23:54,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:54,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:54,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462353310] [2024-11-07 20:23:54,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462353310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:54,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:54,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:54,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863193411] [2024-11-07 20:23:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:54,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:54,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:54,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:54,195 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:54,782 INFO L93 Difference]: Finished difference Result 191 states and 210 transitions. [2024-11-07 20:23:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-07 20:23:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:54,784 INFO L225 Difference]: With dead ends: 191 [2024-11-07 20:23:54,784 INFO L226 Difference]: Without dead ends: 190 [2024-11-07 20:23:54,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:54,785 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 53 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:54,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 418 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:23:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-07 20:23:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2024-11-07 20:23:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7428571428571429) internal successors, (183), 154 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2024-11-07 20:23:54,805 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 32 [2024-11-07 20:23:54,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:54,805 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2024-11-07 20:23:54,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2024-11-07 20:23:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:23:54,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:54,806 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:54,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:23:54,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:54,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:54,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1747709550, now seen corresponding path program 1 times [2024-11-07 20:23:54,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:54,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476840310] [2024-11-07 20:23:54,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:54,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234162602] [2024-11-07 20:23:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:54,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:54,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:23:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:54,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:23:54,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:54,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476840310] [2024-11-07 20:23:54,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234162602] [2024-11-07 20:23:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234162602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:54,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:54,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:54,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895243996] [2024-11-07 20:23:54,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:54,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:54,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:54,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:54,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:54,939 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:55,156 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-11-07 20:23:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:55,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-07 20:23:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:55,158 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:23:55,158 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 20:23:55,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:55,159 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 186 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:55,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:23:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 20:23:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2024-11-07 20:23:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 154 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2024-11-07 20:23:55,173 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 32 [2024-11-07 20:23:55,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:55,175 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2024-11-07 20:23:55,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2024-11-07 20:23:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-07 20:23:55,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:55,176 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:55,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:23:55,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:55,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:55,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:55,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1667030539, now seen corresponding path program 1 times [2024-11-07 20:23:55,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:55,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324987350] [2024-11-07 20:23:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:55,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962204305] [2024-11-07 20:23:55,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:55,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:55,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:55,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:23:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:55,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:23:55,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:55,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:55,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:55,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324987350] [2024-11-07 20:23:55,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:55,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962204305] [2024-11-07 20:23:55,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962204305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:55,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:55,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388300761] [2024-11-07 20:23:55,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:55,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:55,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:55,487 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:55,769 INFO L93 Difference]: Finished difference Result 189 states and 208 transitions. [2024-11-07 20:23:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-07 20:23:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:55,771 INFO L225 Difference]: With dead ends: 189 [2024-11-07 20:23:55,771 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 20:23:55,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:55,771 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 53 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:55,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:55,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 20:23:55,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2024-11-07 20:23:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 155 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 207 transitions. [2024-11-07 20:23:55,780 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 207 transitions. Word has length 33 [2024-11-07 20:23:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:55,781 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 207 transitions. [2024-11-07 20:23:55,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2024-11-07 20:23:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-07 20:23:55,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:55,781 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:55,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:55,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-07 20:23:55,982 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:55,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:55,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1655578881, now seen corresponding path program 1 times [2024-11-07 20:23:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142151741] [2024-11-07 20:23:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:55,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480946598] [2024-11-07 20:23:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:55,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:55,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:55,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:23:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:56,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:23:56,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:56,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:56,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:56,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142151741] [2024-11-07 20:23:56,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:56,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480946598] [2024-11-07 20:23:56,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480946598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:56,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:56,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:56,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908468210] [2024-11-07 20:23:56,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:56,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:56,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:56,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:56,087 INFO L87 Difference]: Start difference. First operand 170 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:56,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:56,250 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2024-11-07 20:23:56,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:56,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-07 20:23:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:56,251 INFO L225 Difference]: With dead ends: 189 [2024-11-07 20:23:56,251 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 20:23:56,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:56,252 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 184 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:56,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:23:56,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 20:23:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2024-11-07 20:23:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7169811320754718) internal successors, (182), 155 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:23:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 206 transitions. [2024-11-07 20:23:56,258 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 206 transitions. Word has length 33 [2024-11-07 20:23:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:56,258 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 206 transitions. [2024-11-07 20:23:56,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2024-11-07 20:23:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 20:23:56,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:56,259 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:56,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:56,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:56,459 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:56,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash 138339314, now seen corresponding path program 1 times [2024-11-07 20:23:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472215237] [2024-11-07 20:23:56,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75475476] [2024-11-07 20:23:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:56,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:56,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:56,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:56,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:23:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:56,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:23:56,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:56,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:56,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472215237] [2024-11-07 20:23:56,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:56,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75475476] [2024-11-07 20:23:56,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75475476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:56,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:56,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:23:56,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690424817] [2024-11-07 20:23:56,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:56,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:23:56,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:56,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:23:56,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:56,521 INFO L87 Difference]: Start difference. First operand 170 states and 206 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:56,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:56,660 INFO L93 Difference]: Finished difference Result 284 states and 362 transitions. [2024-11-07 20:23:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:23:56,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-07 20:23:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:56,662 INFO L225 Difference]: With dead ends: 284 [2024-11-07 20:23:56,662 INFO L226 Difference]: Without dead ends: 278 [2024-11-07 20:23:56,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:23:56,662 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 56 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:56,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 218 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:23:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-07 20:23:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 246. [2024-11-07 20:23:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:23:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2024-11-07 20:23:56,676 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 34 [2024-11-07 20:23:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:56,677 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2024-11-07 20:23:56,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2024-11-07 20:23:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 20:23:56,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:56,678 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:56,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 20:23:56,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-07 20:23:56,879 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:56,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:56,880 INFO L85 PathProgramCache]: Analyzing trace with hash -216662156, now seen corresponding path program 1 times [2024-11-07 20:23:56,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:56,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799194475] [2024-11-07 20:23:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:56,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780312492] [2024-11-07 20:23:56,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:56,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:56,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:56,896 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:56,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:23:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:56,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:23:56,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:56,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:56,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:56,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799194475] [2024-11-07 20:23:56,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:56,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780312492] [2024-11-07 20:23:56,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780312492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:56,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:56,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:56,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768532889] [2024-11-07 20:23:56,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:56,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:56,964 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:57,461 INFO L93 Difference]: Finished difference Result 271 states and 338 transitions. [2024-11-07 20:23:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:57,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-07 20:23:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:57,462 INFO L225 Difference]: With dead ends: 271 [2024-11-07 20:23:57,462 INFO L226 Difference]: Without dead ends: 270 [2024-11-07 20:23:57,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:57,463 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:57,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 327 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:23:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-07 20:23:57,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 246. [2024-11-07 20:23:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6781609195402298) internal successors, (292), 223 states have internal predecessors, (292), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:23:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 332 transitions. [2024-11-07 20:23:57,479 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 332 transitions. Word has length 34 [2024-11-07 20:23:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:57,480 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 332 transitions. [2024-11-07 20:23:57,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 332 transitions. [2024-11-07 20:23:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:23:57,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:57,481 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:57,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:57,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:57,686 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:57,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1873407843, now seen corresponding path program 1 times [2024-11-07 20:23:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243064249] [2024-11-07 20:23:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:57,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258518443] [2024-11-07 20:23:57,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:57,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:57,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:57,700 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:57,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:23:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:57,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:23:57,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:57,822 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:57,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243064249] [2024-11-07 20:23:57,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258518443] [2024-11-07 20:23:57,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258518443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:57,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:57,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:57,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705188061] [2024-11-07 20:23:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:57,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:57,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:57,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:57,823 INFO L87 Difference]: Start difference. First operand 246 states and 332 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:58,141 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2024-11-07 20:23:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:58,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-07 20:23:58,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:58,143 INFO L225 Difference]: With dead ends: 272 [2024-11-07 20:23:58,143 INFO L226 Difference]: Without dead ends: 271 [2024-11-07 20:23:58,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:58,144 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:58,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 329 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-07 20:23:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 246. [2024-11-07 20:23:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6666666666666667) internal successors, (290), 223 states have internal predecessors, (290), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:23:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 330 transitions. [2024-11-07 20:23:58,155 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 330 transitions. Word has length 35 [2024-11-07 20:23:58,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:58,155 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 330 transitions. [2024-11-07 20:23:58,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 330 transitions. [2024-11-07 20:23:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:23:58,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:58,155 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:58,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:23:58,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:58,360 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:58,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash -199900332, now seen corresponding path program 1 times [2024-11-07 20:23:58,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:58,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143563492] [2024-11-07 20:23:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:58,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:58,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143563492] [2024-11-07 20:23:58,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143563492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:58,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:58,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:58,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267565701] [2024-11-07 20:23:58,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:58,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:58,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:58,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:58,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:58,432 INFO L87 Difference]: Start difference. First operand 246 states and 330 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:58,736 INFO L93 Difference]: Finished difference Result 275 states and 340 transitions. [2024-11-07 20:23:58,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:58,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-11-07 20:23:58,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:58,738 INFO L225 Difference]: With dead ends: 275 [2024-11-07 20:23:58,738 INFO L226 Difference]: Without dead ends: 274 [2024-11-07 20:23:58,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:58,738 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 56 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:58,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 358 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-07 20:23:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 251. [2024-11-07 20:23:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 179 states have (on average 1.6592178770949721) internal successors, (297), 228 states have internal predecessors, (297), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:23:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 337 transitions. [2024-11-07 20:23:58,747 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 337 transitions. Word has length 36 [2024-11-07 20:23:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:58,747 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 337 transitions. [2024-11-07 20:23:58,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2024-11-07 20:23:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 20:23:58,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:58,747 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:58,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 20:23:58,748 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:58,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1901942833, now seen corresponding path program 1 times [2024-11-07 20:23:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056452094] [2024-11-07 20:23:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:58,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550801168] [2024-11-07 20:23:58,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:58,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:58,765 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:58,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 20:23:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:58,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:23:58,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:58,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:58,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:58,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056452094] [2024-11-07 20:23:58,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:58,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550801168] [2024-11-07 20:23:58,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550801168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:58,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:58,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:58,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792995359] [2024-11-07 20:23:58,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:58,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:58,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:58,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:58,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:58,842 INFO L87 Difference]: Start difference. First operand 251 states and 337 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:59,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:59,074 INFO L93 Difference]: Finished difference Result 292 states and 348 transitions. [2024-11-07 20:23:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:59,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-07 20:23:59,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:59,076 INFO L225 Difference]: With dead ends: 292 [2024-11-07 20:23:59,076 INFO L226 Difference]: Without dead ends: 291 [2024-11-07 20:23:59,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:59,076 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 153 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:59,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 358 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:23:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-07 20:23:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 253. [2024-11-07 20:23:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 181 states have (on average 1.6519337016574585) internal successors, (299), 230 states have internal predecessors, (299), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:23:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 339 transitions. [2024-11-07 20:23:59,084 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 339 transitions. Word has length 37 [2024-11-07 20:23:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:59,085 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 339 transitions. [2024-11-07 20:23:59,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:23:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 339 transitions. [2024-11-07 20:23:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:23:59,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:59,085 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:59,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:23:59,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:59,286 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:23:59,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:59,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1570322186, now seen corresponding path program 1 times [2024-11-07 20:23:59,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:59,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110429898] [2024-11-07 20:23:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:59,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:23:59,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:59,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110429898] [2024-11-07 20:23:59,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110429898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078936167] [2024-11-07 20:23:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:59,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:59,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 20:23:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:59,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:23:59,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:59,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:23:59,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078936167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:59,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:23:59,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2024-11-07 20:23:59,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325522161] [2024-11-07 20:23:59,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:59,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:23:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:23:59,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:23:59,774 INFO L87 Difference]: Start difference. First operand 253 states and 339 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:00,925 INFO L93 Difference]: Finished difference Result 903 states and 1188 transitions. [2024-11-07 20:24:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 20:24:00,925 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-07 20:24:00,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:00,928 INFO L225 Difference]: With dead ends: 903 [2024-11-07 20:24:00,928 INFO L226 Difference]: Without dead ends: 875 [2024-11-07 20:24:00,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2024-11-07 20:24:00,929 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 1691 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:00,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 1262 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:24:00,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-07 20:24:00,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 257. [2024-11-07 20:24:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 185 states have (on average 1.6486486486486487) internal successors, (305), 234 states have internal predecessors, (305), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:24:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 345 transitions. [2024-11-07 20:24:00,942 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 345 transitions. Word has length 40 [2024-11-07 20:24:00,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:00,942 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 345 transitions. [2024-11-07 20:24:00,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 345 transitions. [2024-11-07 20:24:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:24:00,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:00,943 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:00,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:01,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 20:24:01,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:01,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash -283039672, now seen corresponding path program 1 times [2024-11-07 20:24:01,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:01,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475058012] [2024-11-07 20:24:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889214006] [2024-11-07 20:24:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:01,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:01,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:01,165 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:01,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:24:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:01,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:24:01,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:01,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:01,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475058012] [2024-11-07 20:24:01,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:01,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889214006] [2024-11-07 20:24:01,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889214006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:01,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:01,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:01,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691937596] [2024-11-07 20:24:01,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:01,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:01,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:01,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:01,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:01,240 INFO L87 Difference]: Start difference. First operand 257 states and 345 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:24:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:01,425 INFO L93 Difference]: Finished difference Result 275 states and 347 transitions. [2024-11-07 20:24:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:01,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-11-07 20:24:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:01,426 INFO L225 Difference]: With dead ends: 275 [2024-11-07 20:24:01,426 INFO L226 Difference]: Without dead ends: 274 [2024-11-07 20:24:01,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:01,427 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:01,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 181 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:24:01,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-07 20:24:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 257. [2024-11-07 20:24:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 185 states have (on average 1.6378378378378378) internal successors, (303), 234 states have internal predecessors, (303), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:24:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 343 transitions. [2024-11-07 20:24:01,437 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 343 transitions. Word has length 43 [2024-11-07 20:24:01,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:01,437 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 343 transitions. [2024-11-07 20:24:01,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:24:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 343 transitions. [2024-11-07 20:24:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:24:01,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:01,438 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:01,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:01,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:24:01,638 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:01,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash -685729861, now seen corresponding path program 1 times [2024-11-07 20:24:01,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:01,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526560696] [2024-11-07 20:24:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:01,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:01,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428395074] [2024-11-07 20:24:01,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:01,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:01,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:01,648 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:01,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:24:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:01,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:24:01,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:24:01,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:01,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:01,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526560696] [2024-11-07 20:24:01,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:01,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428395074] [2024-11-07 20:24:01,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428395074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:01,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:24:01,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-07 20:24:01,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380115294] [2024-11-07 20:24:01,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:01,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:24:01,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:01,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:24:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:24:01,950 INFO L87 Difference]: Start difference. First operand 257 states and 343 transitions. Second operand has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:24:02,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:02,810 INFO L93 Difference]: Finished difference Result 452 states and 578 transitions. [2024-11-07 20:24:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:24:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2024-11-07 20:24:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:02,815 INFO L225 Difference]: With dead ends: 452 [2024-11-07 20:24:02,815 INFO L226 Difference]: Without dead ends: 449 [2024-11-07 20:24:02,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:24:02,817 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 736 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:02,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 642 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:24:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-07 20:24:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 273. [2024-11-07 20:24:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 201 states have (on average 1.6119402985074627) internal successors, (324), 249 states have internal predecessors, (324), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 20:24:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 366 transitions. [2024-11-07 20:24:02,831 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 366 transitions. Word has length 43 [2024-11-07 20:24:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:02,832 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 366 transitions. [2024-11-07 20:24:02,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:24:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 366 transitions. [2024-11-07 20:24:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:24:02,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:02,833 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:02,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:24:03,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:03,037 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:03,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:03,038 INFO L85 PathProgramCache]: Analyzing trace with hash -184295144, now seen corresponding path program 1 times [2024-11-07 20:24:03,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:03,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122653273] [2024-11-07 20:24:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:03,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172141660] [2024-11-07 20:24:03,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:03,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:03,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:03,053 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:03,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:24:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:03,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:24:03,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:03,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:03,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:03,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122653273] [2024-11-07 20:24:03,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:03,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172141660] [2024-11-07 20:24:03,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172141660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:03,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:03,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:03,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238336754] [2024-11-07 20:24:03,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:03,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:03,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:03,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:03,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:03,134 INFO L87 Difference]: Start difference. First operand 273 states and 366 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:24:03,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:03,326 INFO L93 Difference]: Finished difference Result 291 states and 368 transitions. [2024-11-07 20:24:03,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:03,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2024-11-07 20:24:03,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:03,328 INFO L225 Difference]: With dead ends: 291 [2024-11-07 20:24:03,328 INFO L226 Difference]: Without dead ends: 290 [2024-11-07 20:24:03,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:03,328 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 188 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:03,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 181 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:24:03,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-07 20:24:03,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 273. [2024-11-07 20:24:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 201 states have (on average 1.6019900497512438) internal successors, (322), 249 states have internal predecessors, (322), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 20:24:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 364 transitions. [2024-11-07 20:24:03,343 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 364 transitions. Word has length 44 [2024-11-07 20:24:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:03,343 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 364 transitions. [2024-11-07 20:24:03,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:24:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 364 transitions. [2024-11-07 20:24:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:24:03,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:03,344 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:03,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:24:03,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:24:03,548 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:03,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:03,549 INFO L85 PathProgramCache]: Analyzing trace with hash 217210868, now seen corresponding path program 1 times [2024-11-07 20:24:03,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:03,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726558865] [2024-11-07 20:24:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:03,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:03,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79392996] [2024-11-07 20:24:03,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:03,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:03,561 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:03,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:24:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:03,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:24:03,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:24:03,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:04,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:04,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726558865] [2024-11-07 20:24:04,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:04,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79392996] [2024-11-07 20:24:04,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79392996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:04,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:04,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:24:04,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605812500] [2024-11-07 20:24:04,336 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:04,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:24:04,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:04,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:24:04,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:24:04,337 INFO L87 Difference]: Start difference. First operand 273 states and 364 transitions. Second operand has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:04,600 INFO L93 Difference]: Finished difference Result 430 states and 557 transitions. [2024-11-07 20:24:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:24:04,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-07 20:24:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:04,602 INFO L225 Difference]: With dead ends: 430 [2024-11-07 20:24:04,602 INFO L226 Difference]: Without dead ends: 428 [2024-11-07 20:24:04,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:24:04,603 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 371 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:04,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 478 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:24:04,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-07 20:24:04,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 363. [2024-11-07 20:24:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 282 states have (on average 1.6524822695035462) internal successors, (466), 330 states have internal predecessors, (466), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 526 transitions. [2024-11-07 20:24:04,619 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 526 transitions. Word has length 44 [2024-11-07 20:24:04,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:04,619 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 526 transitions. [2024-11-07 20:24:04,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 526 transitions. [2024-11-07 20:24:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:24:04,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:04,620 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:04,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:04,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:24:04,824 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:04,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:04,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1418182070, now seen corresponding path program 1 times [2024-11-07 20:24:04,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:04,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553792163] [2024-11-07 20:24:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:04,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:04,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397883933] [2024-11-07 20:24:04,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:04,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:04,840 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:04,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:24:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:04,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:24:04,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:04,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:04,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:04,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553792163] [2024-11-07 20:24:04,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:04,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397883933] [2024-11-07 20:24:04,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397883933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:04,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:04,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:04,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950636047] [2024-11-07 20:24:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:04,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:04,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:04,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:04,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:04,931 INFO L87 Difference]: Start difference. First operand 363 states and 526 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:24:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:05,526 INFO L93 Difference]: Finished difference Result 391 states and 538 transitions. [2024-11-07 20:24:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:05,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-07 20:24:05,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:05,528 INFO L225 Difference]: With dead ends: 391 [2024-11-07 20:24:05,528 INFO L226 Difference]: Without dead ends: 390 [2024-11-07 20:24:05,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:05,529 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 57 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:05,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 304 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:24:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-07 20:24:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 363. [2024-11-07 20:24:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 282 states have (on average 1.6453900709219857) internal successors, (464), 330 states have internal predecessors, (464), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 524 transitions. [2024-11-07 20:24:05,545 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 524 transitions. Word has length 45 [2024-11-07 20:24:05,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:05,545 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 524 transitions. [2024-11-07 20:24:05,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:24:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 524 transitions. [2024-11-07 20:24:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:24:05,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:05,546 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:05,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:05,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:05,751 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:05,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:05,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1856028197, now seen corresponding path program 1 times [2024-11-07 20:24:05,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:05,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347103324] [2024-11-07 20:24:05,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:24:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:24:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:05,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:05,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347103324] [2024-11-07 20:24:05,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347103324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548905195] [2024-11-07 20:24:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:05,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:05,926 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:05,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:24:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:05,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:24:05,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:06,004 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:06,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548905195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:06,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:06,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 20:24:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770117349] [2024-11-07 20:24:06,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:06,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:24:06,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:06,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:24:06,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:24:06,005 INFO L87 Difference]: Start difference. First operand 363 states and 524 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:24:06,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:06,291 INFO L93 Difference]: Finished difference Result 550 states and 727 transitions. [2024-11-07 20:24:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:24:06,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-11-07 20:24:06,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:06,309 INFO L225 Difference]: With dead ends: 550 [2024-11-07 20:24:06,309 INFO L226 Difference]: Without dead ends: 378 [2024-11-07 20:24:06,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:24:06,311 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 159 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:06,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:24:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-07 20:24:06,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 347. [2024-11-07 20:24:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.651685393258427) internal successors, (441), 314 states have internal predecessors, (441), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 501 transitions. [2024-11-07 20:24:06,328 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 501 transitions. Word has length 45 [2024-11-07 20:24:06,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:06,329 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 501 transitions. [2024-11-07 20:24:06,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:24:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 501 transitions. [2024-11-07 20:24:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:24:06,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:06,329 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:06,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:06,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:06,530 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:06,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1856397603, now seen corresponding path program 1 times [2024-11-07 20:24:06,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325302492] [2024-11-07 20:24:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:06,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382101626] [2024-11-07 20:24:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:06,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:06,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:06,544 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:06,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:24:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:06,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:24:06,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:06,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:06,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:06,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325302492] [2024-11-07 20:24:06,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:06,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382101626] [2024-11-07 20:24:06,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382101626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:06,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:06,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:24:06,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656312690] [2024-11-07 20:24:06,899 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:06,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:24:06,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:06,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:24:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:06,899 INFO L87 Difference]: Start difference. First operand 347 states and 501 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:07,440 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-07 20:24:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:24:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-07 20:24:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:07,445 INFO L225 Difference]: With dead ends: 472 [2024-11-07 20:24:07,445 INFO L226 Difference]: Without dead ends: 471 [2024-11-07 20:24:07,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:24:07,446 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 419 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:07,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 602 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:24:07,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-07 20:24:07,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2024-11-07 20:24:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6676557863501484) internal successors, (562), 384 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 640 transitions. [2024-11-07 20:24:07,483 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 640 transitions. Word has length 45 [2024-11-07 20:24:07,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:07,483 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 640 transitions. [2024-11-07 20:24:07,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 640 transitions. [2024-11-07 20:24:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:24:07,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:07,485 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:07,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:07,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:07,686 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:07,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:07,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1013971110, now seen corresponding path program 1 times [2024-11-07 20:24:07,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:07,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841456501] [2024-11-07 20:24:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:07,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:07,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604961553] [2024-11-07 20:24:07,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:07,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:07,701 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:07,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:24:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:07,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:24:07,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:24:07,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:07,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:07,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841456501] [2024-11-07 20:24:07,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:07,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604961553] [2024-11-07 20:24:07,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604961553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:07,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:07,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:07,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453865372] [2024-11-07 20:24:07,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:07,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:07,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:07,758 INFO L87 Difference]: Start difference. First operand 426 states and 640 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:24:08,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:08,123 INFO L93 Difference]: Finished difference Result 455 states and 653 transitions. [2024-11-07 20:24:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:08,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-07 20:24:08,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:08,128 INFO L225 Difference]: With dead ends: 455 [2024-11-07 20:24:08,129 INFO L226 Difference]: Without dead ends: 454 [2024-11-07 20:24:08,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:08,131 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:08,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 240 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:24:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-07 20:24:08,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 426. [2024-11-07 20:24:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6617210682492582) internal successors, (560), 384 states have internal predecessors, (560), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 638 transitions. [2024-11-07 20:24:08,176 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 638 transitions. Word has length 46 [2024-11-07 20:24:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:08,176 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 638 transitions. [2024-11-07 20:24:08,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:24:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 638 transitions. [2024-11-07 20:24:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:24:08,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:08,177 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:08,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 20:24:08,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:08,378 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:08,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:08,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1713750762, now seen corresponding path program 1 times [2024-11-07 20:24:08,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:08,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545890252] [2024-11-07 20:24:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:08,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:08,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106384087] [2024-11-07 20:24:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:08,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:08,390 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:08,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:24:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:08,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:24:08,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:08,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:09,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545890252] [2024-11-07 20:24:09,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106384087] [2024-11-07 20:24:09,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106384087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:09,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:09,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:24:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860723155] [2024-11-07 20:24:09,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:09,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:24:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:24:09,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:09,240 INFO L87 Difference]: Start difference. First operand 426 states and 638 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:09,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:09,909 INFO L93 Difference]: Finished difference Result 472 states and 643 transitions. [2024-11-07 20:24:09,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:24:09,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-07 20:24:09,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:09,912 INFO L225 Difference]: With dead ends: 472 [2024-11-07 20:24:09,912 INFO L226 Difference]: Without dead ends: 471 [2024-11-07 20:24:09,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:24:09,913 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 367 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:09,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 620 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:24:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-07 20:24:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2024-11-07 20:24:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6528189910979227) internal successors, (557), 384 states have internal predecessors, (557), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 635 transitions. [2024-11-07 20:24:09,943 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 635 transitions. Word has length 46 [2024-11-07 20:24:09,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:09,944 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 635 transitions. [2024-11-07 20:24:09,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 635 transitions. [2024-11-07 20:24:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:24:09,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:09,945 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:09,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:24:10,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:10,145 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:10,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:10,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1586665985, now seen corresponding path program 1 times [2024-11-07 20:24:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:10,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567497657] [2024-11-07 20:24:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:10,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707260062] [2024-11-07 20:24:10,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:10,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:10,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:10,156 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:10,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:24:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:10,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:24:10,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:10,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:10,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:10,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567497657] [2024-11-07 20:24:10,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:10,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707260062] [2024-11-07 20:24:10,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707260062] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:10,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:24:10,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-07 20:24:10,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53848547] [2024-11-07 20:24:10,800 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:10,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:24:10,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:10,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:24:10,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:24:10,801 INFO L87 Difference]: Start difference. First operand 426 states and 635 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:24:13,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:13,772 INFO L93 Difference]: Finished difference Result 479 states and 647 transitions. [2024-11-07 20:24:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:24:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2024-11-07 20:24:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:13,774 INFO L225 Difference]: With dead ends: 479 [2024-11-07 20:24:13,774 INFO L226 Difference]: Without dead ends: 474 [2024-11-07 20:24:13,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:24:13,774 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 318 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:13,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 810 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 20:24:13,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-07 20:24:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 347. [2024-11-07 20:24:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.6029962546816479) internal successors, (428), 314 states have internal predecessors, (428), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 488 transitions. [2024-11-07 20:24:13,791 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 488 transitions. Word has length 47 [2024-11-07 20:24:13,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:13,792 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 488 transitions. [2024-11-07 20:24:13,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 20:24:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 488 transitions. [2024-11-07 20:24:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 20:24:13,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:13,792 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:13,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:24:13,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:13,993 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:13,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:13,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1942005192, now seen corresponding path program 1 times [2024-11-07 20:24:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:13,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748970302] [2024-11-07 20:24:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:14,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206137136] [2024-11-07 20:24:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:14,006 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:14,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:24:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:14,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:24:14,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:14,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:24:18,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:18,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748970302] [2024-11-07 20:24:18,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:18,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206137136] [2024-11-07 20:24:18,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206137136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:18,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:24:18,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-07 20:24:18,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271330708] [2024-11-07 20:24:18,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:18,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:24:18,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:18,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:24:18,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2024-11-07 20:24:18,667 INFO L87 Difference]: Start difference. First operand 347 states and 488 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:24:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:20,399 INFO L93 Difference]: Finished difference Result 398 states and 502 transitions. [2024-11-07 20:24:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:24:20,399 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 48 [2024-11-07 20:24:20,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:20,400 INFO L225 Difference]: With dead ends: 398 [2024-11-07 20:24:20,400 INFO L226 Difference]: Without dead ends: 396 [2024-11-07 20:24:20,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=59, Invalid=180, Unknown=1, NotChecked=0, Total=240 [2024-11-07 20:24:20,401 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 574 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:20,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 937 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 20:24:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-07 20:24:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 348. [2024-11-07 20:24:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.585820895522388) internal successors, (425), 315 states have internal predecessors, (425), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2024-11-07 20:24:20,420 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 48 [2024-11-07 20:24:20,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:20,420 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2024-11-07 20:24:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:24:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2024-11-07 20:24:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:24:20,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:20,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:20,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:20,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-07 20:24:20,626 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:20,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:20,626 INFO L85 PathProgramCache]: Analyzing trace with hash 13291048, now seen corresponding path program 1 times [2024-11-07 20:24:20,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:20,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256715950] [2024-11-07 20:24:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:20,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:24:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:24:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 20:24:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:24:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 20:24:20,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256715950] [2024-11-07 20:24:20,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256715950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828868611] [2024-11-07 20:24:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:20,741 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:20,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:24:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:20,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:24:20,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:24:20,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:20,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828868611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:20,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 20:24:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424887130] [2024-11-07 20:24:20,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:20,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:24:20,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:20,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:24:20,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:24:20,839 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:21,256 INFO L93 Difference]: Finished difference Result 375 states and 489 transitions. [2024-11-07 20:24:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:24:21,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-07 20:24:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:21,257 INFO L225 Difference]: With dead ends: 375 [2024-11-07 20:24:21,257 INFO L226 Difference]: Without dead ends: 374 [2024-11-07 20:24:21,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:21,258 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 260 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:21,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 276 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:24:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-07 20:24:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 348. [2024-11-07 20:24:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5820895522388059) internal successors, (424), 315 states have internal predecessors, (424), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 484 transitions. [2024-11-07 20:24:21,284 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 484 transitions. Word has length 54 [2024-11-07 20:24:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:21,284 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 484 transitions. [2024-11-07 20:24:21,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 484 transitions. [2024-11-07 20:24:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:24:21,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:21,285 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:21,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:21,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 20:24:21,489 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:21,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 890948955, now seen corresponding path program 1 times [2024-11-07 20:24:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:21,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508624308] [2024-11-07 20:24:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:21,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172214415] [2024-11-07 20:24:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:21,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:21,510 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:21,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 20:24:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:21,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:24:21,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:24:21,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:25,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508624308] [2024-11-07 20:24:26,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:26,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172214415] [2024-11-07 20:24:26,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172214415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:26,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:26,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:24:26,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008748030] [2024-11-07 20:24:26,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:26,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:24:26,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:26,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:24:26,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=213, Unknown=1, NotChecked=0, Total=272 [2024-11-07 20:24:26,001 INFO L87 Difference]: Start difference. First operand 348 states and 484 transitions. Second operand has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:24:26,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:26,574 INFO L93 Difference]: Finished difference Result 470 states and 627 transitions. [2024-11-07 20:24:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:24:26,574 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2024-11-07 20:24:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:26,575 INFO L225 Difference]: With dead ends: 470 [2024-11-07 20:24:26,575 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 20:24:26,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=109, Invalid=352, Unknown=1, NotChecked=0, Total=462 [2024-11-07 20:24:26,576 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 425 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:26,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 646 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:24:26,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 20:24:26,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 428. [2024-11-07 20:24:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5722713864306785) internal successors, (533), 386 states have internal predecessors, (533), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 611 transitions. [2024-11-07 20:24:26,600 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 611 transitions. Word has length 54 [2024-11-07 20:24:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:26,600 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 611 transitions. [2024-11-07 20:24:26,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:24:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 611 transitions. [2024-11-07 20:24:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:24:26,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:26,601 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:26,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:26,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 20:24:26,804 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:26,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:26,805 INFO L85 PathProgramCache]: Analyzing trace with hash 412022597, now seen corresponding path program 1 times [2024-11-07 20:24:26,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:26,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185624174] [2024-11-07 20:24:26,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:26,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:26,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91196103] [2024-11-07 20:24:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:26,812 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:26,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 20:24:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:26,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:24:26,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:24:26,901 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185624174] [2024-11-07 20:24:26,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91196103] [2024-11-07 20:24:26,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91196103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:26,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:26,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:24:26,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903688870] [2024-11-07 20:24:26,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:26,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:24:26,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:26,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:24:26,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:24:26,902 INFO L87 Difference]: Start difference. First operand 428 states and 611 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:27,268 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-07 20:24:27,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:24:27,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-07 20:24:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:27,269 INFO L225 Difference]: With dead ends: 455 [2024-11-07 20:24:27,269 INFO L226 Difference]: Without dead ends: 454 [2024-11-07 20:24:27,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:24:27,270 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 257 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:27,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 278 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:24:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-07 20:24:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 428. [2024-11-07 20:24:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5693215339233038) internal successors, (532), 386 states have internal predecessors, (532), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2024-11-07 20:24:27,292 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 55 [2024-11-07 20:24:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:27,292 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2024-11-07 20:24:27,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:24:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2024-11-07 20:24:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:24:27,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:27,293 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:27,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:27,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 20:24:27,493 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:27,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:27,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1849613921, now seen corresponding path program 1 times [2024-11-07 20:24:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:27,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921456997] [2024-11-07 20:24:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:27,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:27,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499654291] [2024-11-07 20:24:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:27,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:27,509 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:27,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-07 20:24:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:27,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:24:27,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:24:27,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:44,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:44,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921456997] [2024-11-07 20:24:44,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:44,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499654291] [2024-11-07 20:24:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499654291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:44,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:24:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592251531] [2024-11-07 20:24:44,091 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:44,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:24:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:44,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:24:44,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=217, Unknown=4, NotChecked=0, Total=272 [2024-11-07 20:24:44,092 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. Second operand has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:24:44,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:44,560 INFO L93 Difference]: Finished difference Result 470 states and 623 transitions. [2024-11-07 20:24:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:24:44,561 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 55 [2024-11-07 20:24:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:44,562 INFO L225 Difference]: With dead ends: 470 [2024-11-07 20:24:44,562 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 20:24:44,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=107, Invalid=351, Unknown=4, NotChecked=0, Total=462 [2024-11-07 20:24:44,563 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 622 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:44,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 587 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:24:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 20:24:44,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 428. [2024-11-07 20:24:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5604719764011798) internal successors, (529), 386 states have internal predecessors, (529), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:24:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 607 transitions. [2024-11-07 20:24:44,603 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 607 transitions. Word has length 55 [2024-11-07 20:24:44,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:44,603 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 607 transitions. [2024-11-07 20:24:44,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:24:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 607 transitions. [2024-11-07 20:24:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:24:44,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:44,604 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:44,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:44,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-07 20:24:44,804 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:24:44,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:44,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1503456797, now seen corresponding path program 1 times [2024-11-07 20:24:44,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:44,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993316111] [2024-11-07 20:24:44,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093998545] [2024-11-07 20:24:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:44,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:44,820 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:24:44,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-07 20:24:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:24:44,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:24:45,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993316111] [2024-11-07 20:25:05,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093998545] [2024-11-07 20:25:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093998545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:25:05,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:25:05,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:25:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373679873] [2024-11-07 20:25:05,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:05,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:25:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:25:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=210, Unknown=5, NotChecked=0, Total=272 [2024-11-07 20:25:05,510 INFO L87 Difference]: Start difference. First operand 428 states and 607 transitions. Second operand has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:25:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:06,252 INFO L93 Difference]: Finished difference Result 476 states and 628 transitions. [2024-11-07 20:25:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:25:06,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2024-11-07 20:25:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:06,254 INFO L225 Difference]: With dead ends: 476 [2024-11-07 20:25:06,254 INFO L226 Difference]: Without dead ends: 475 [2024-11-07 20:25:06,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=112, Invalid=389, Unknown=5, NotChecked=0, Total=506 [2024-11-07 20:25:06,254 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 559 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:06,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 498 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:25:06,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-07 20:25:06,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 428. [2024-11-07 20:25:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5575221238938053) internal successors, (528), 386 states have internal predecessors, (528), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:25:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 606 transitions. [2024-11-07 20:25:06,277 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 606 transitions. Word has length 56 [2024-11-07 20:25:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:06,277 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 606 transitions. [2024-11-07 20:25:06,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:25:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 606 transitions. [2024-11-07 20:25:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 20:25:06,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:06,278 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:06,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-07 20:25:06,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:06,481 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:06,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:06,482 INFO L85 PathProgramCache]: Analyzing trace with hash -637479453, now seen corresponding path program 1 times [2024-11-07 20:25:06,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:06,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186140753] [2024-11-07 20:25:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:06,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571699671] [2024-11-07 20:25:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:06,490 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:06,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-07 20:25:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:06,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:25:06,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:25:06,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:11,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:11,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186140753] [2024-11-07 20:25:11,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:11,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571699671] [2024-11-07 20:25:11,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571699671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:25:11,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:25:11,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:25:11,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030510664] [2024-11-07 20:25:11,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:11,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:25:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:25:11,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=214, Unknown=1, NotChecked=0, Total=272 [2024-11-07 20:25:11,706 INFO L87 Difference]: Start difference. First operand 428 states and 606 transitions. Second operand has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:25:12,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:12,430 INFO L93 Difference]: Finished difference Result 476 states and 627 transitions. [2024-11-07 20:25:12,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:25:12,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 57 [2024-11-07 20:25:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:12,432 INFO L225 Difference]: With dead ends: 476 [2024-11-07 20:25:12,432 INFO L226 Difference]: Without dead ends: 475 [2024-11-07 20:25:12,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=112, Invalid=393, Unknown=1, NotChecked=0, Total=506 [2024-11-07 20:25:12,432 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 421 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:12,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 554 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:25:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-07 20:25:12,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 416. [2024-11-07 20:25:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 328 states have (on average 1.5731707317073171) internal successors, (516), 375 states have internal predecessors, (516), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 20:25:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 592 transitions. [2024-11-07 20:25:12,482 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 592 transitions. Word has length 57 [2024-11-07 20:25:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:12,482 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 592 transitions. [2024-11-07 20:25:12,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:25:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 592 transitions. [2024-11-07 20:25:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 20:25:12,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:12,486 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:12,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-07 20:25:12,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-07 20:25:12,687 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:12,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:12,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1712973535, now seen corresponding path program 1 times [2024-11-07 20:25:12,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:12,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043951140] [2024-11-07 20:25:12,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:12,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:12,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890957788] [2024-11-07 20:25:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:12,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:12,703 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:12,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-07 20:25:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:12,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:25:12,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:25:12,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:25:21,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043951140] [2024-11-07 20:25:21,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890957788] [2024-11-07 20:25:21,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890957788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:25:21,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:25:21,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-07 20:25:21,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281064546] [2024-11-07 20:25:21,039 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:21,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:25:21,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:21,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:25:21,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-07 20:25:21,040 INFO L87 Difference]: Start difference. First operand 416 states and 592 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:25:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:22,560 INFO L93 Difference]: Finished difference Result 622 states and 818 transitions. [2024-11-07 20:25:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:25:22,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-11-07 20:25:22,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:22,563 INFO L225 Difference]: With dead ends: 622 [2024-11-07 20:25:22,563 INFO L226 Difference]: Without dead ends: 617 [2024-11-07 20:25:22,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2024-11-07 20:25:22,563 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 343 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:22,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 703 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 20:25:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-07 20:25:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 508. [2024-11-07 20:25:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 411 states have (on average 1.6058394160583942) internal successors, (660), 458 states have internal predecessors, (660), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 20:25:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 754 transitions. [2024-11-07 20:25:22,597 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 754 transitions. Word has length 58 [2024-11-07 20:25:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:22,597 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 754 transitions. [2024-11-07 20:25:22,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:25:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 754 transitions. [2024-11-07 20:25:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 20:25:22,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:22,598 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:22,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-07 20:25:22,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:22,799 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:22,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1562572133, now seen corresponding path program 1 times [2024-11-07 20:25:22,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:22,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521007936] [2024-11-07 20:25:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:22,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557963721] [2024-11-07 20:25:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:22,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:22,813 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:22,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-07 20:25:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:22,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:25:22,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:25:22,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:25:31,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521007936] [2024-11-07 20:25:31,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557963721] [2024-11-07 20:25:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557963721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:25:31,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:25:31,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-07 20:25:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282157150] [2024-11-07 20:25:31,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:31,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:25:31,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:31,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:25:31,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-07 20:25:31,300 INFO L87 Difference]: Start difference. First operand 508 states and 754 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:25:33,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:33,695 INFO L93 Difference]: Finished difference Result 619 states and 811 transitions. [2024-11-07 20:25:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:25:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-07 20:25:33,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:33,697 INFO L225 Difference]: With dead ends: 619 [2024-11-07 20:25:33,697 INFO L226 Difference]: Without dead ends: 618 [2024-11-07 20:25:33,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2024-11-07 20:25:33,697 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 252 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:33,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 783 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 20:25:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-07 20:25:33,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 508. [2024-11-07 20:25:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 411 states have (on average 1.6009732360097324) internal successors, (658), 458 states have internal predecessors, (658), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 20:25:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 752 transitions. [2024-11-07 20:25:33,725 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 752 transitions. Word has length 59 [2024-11-07 20:25:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:33,725 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 752 transitions. [2024-11-07 20:25:33,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:25:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 752 transitions. [2024-11-07 20:25:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-07 20:25:33,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:33,726 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:33,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-07 20:25:33,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:33,927 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:33,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:33,927 INFO L85 PathProgramCache]: Analyzing trace with hash -217772106, now seen corresponding path program 1 times [2024-11-07 20:25:33,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:33,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609701712] [2024-11-07 20:25:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782666098] [2024-11-07 20:25:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:33,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:33,937 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:33,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-07 20:25:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:33,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:25:33,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:25:34,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:25:34,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609701712] [2024-11-07 20:25:34,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782666098] [2024-11-07 20:25:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782666098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:34,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:25:34,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:25:34,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761286830] [2024-11-07 20:25:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:34,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:25:34,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:34,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:25:34,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:25:34,034 INFO L87 Difference]: Start difference. First operand 508 states and 752 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:25:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:34,402 INFO L93 Difference]: Finished difference Result 585 states and 842 transitions. [2024-11-07 20:25:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:25:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-07 20:25:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:34,406 INFO L225 Difference]: With dead ends: 585 [2024-11-07 20:25:34,406 INFO L226 Difference]: Without dead ends: 582 [2024-11-07 20:25:34,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:25:34,407 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 216 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:34,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 208 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:25:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-07 20:25:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2024-11-07 20:25:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 459 states have (on average 1.5642701525054465) internal successors, (718), 506 states have internal predecessors, (718), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 828 transitions. [2024-11-07 20:25:34,455 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 828 transitions. Word has length 61 [2024-11-07 20:25:34,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:34,456 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 828 transitions. [2024-11-07 20:25:34,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:25:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 828 transitions. [2024-11-07 20:25:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 20:25:34,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:34,458 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:34,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-07 20:25:34,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-07 20:25:34,659 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:34,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:34,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1838999420, now seen corresponding path program 1 times [2024-11-07 20:25:34,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:34,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363411772] [2024-11-07 20:25:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:34,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870121910] [2024-11-07 20:25:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:34,673 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:34,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-07 20:25:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:34,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:25:34,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:25:34,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:25:34,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363411772] [2024-11-07 20:25:34,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870121910] [2024-11-07 20:25:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870121910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:34,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:25:34,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:25:34,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894537942] [2024-11-07 20:25:34,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:34,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:25:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:34,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:25:34,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:25:34,785 INFO L87 Difference]: Start difference. First operand 564 states and 828 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:25:35,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:35,049 INFO L93 Difference]: Finished difference Result 583 states and 836 transitions. [2024-11-07 20:25:35,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:25:35,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-07 20:25:35,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:35,051 INFO L225 Difference]: With dead ends: 583 [2024-11-07 20:25:35,051 INFO L226 Difference]: Without dead ends: 582 [2024-11-07 20:25:35,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:25:35,051 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 200 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:35,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 280 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:25:35,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-07 20:25:35,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2024-11-07 20:25:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 459 states have (on average 1.5599128540305012) internal successors, (716), 506 states have internal predecessors, (716), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 826 transitions. [2024-11-07 20:25:35,083 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 826 transitions. Word has length 62 [2024-11-07 20:25:35,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:35,083 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 826 transitions. [2024-11-07 20:25:35,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:25:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 826 transitions. [2024-11-07 20:25:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 20:25:35,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:35,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:35,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-07 20:25:35,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-07 20:25:35,285 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1027642322, now seen corresponding path program 1 times [2024-11-07 20:25:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:35,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643603981] [2024-11-07 20:25:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:35,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:25:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:25:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:25:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:25:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 20:25:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:25:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:25:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:25:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:25:35,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:35,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643603981] [2024-11-07 20:25:35,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643603981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:35,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:25:35,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:25:35,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631062582] [2024-11-07 20:25:35,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:35,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:25:35,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:35,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:25:35,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:25:35,372 INFO L87 Difference]: Start difference. First operand 564 states and 826 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:25:35,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:35,920 INFO L93 Difference]: Finished difference Result 586 states and 838 transitions. [2024-11-07 20:25:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:25:35,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-07 20:25:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:35,922 INFO L225 Difference]: With dead ends: 586 [2024-11-07 20:25:35,922 INFO L226 Difference]: Without dead ends: 584 [2024-11-07 20:25:35,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:25:35,922 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 227 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:35,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 280 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:25:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-07 20:25:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 566. [2024-11-07 20:25:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5531453362255965) internal successors, (716), 508 states have internal predecessors, (716), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 826 transitions. [2024-11-07 20:25:35,994 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 826 transitions. Word has length 68 [2024-11-07 20:25:35,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:35,995 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 826 transitions. [2024-11-07 20:25:35,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:25:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 826 transitions. [2024-11-07 20:25:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:25:35,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:35,995 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:35,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 20:25:35,995 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:35,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -427785933, now seen corresponding path program 1 times [2024-11-07 20:25:35,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:35,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750729694] [2024-11-07 20:25:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:25:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:25:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:25:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:25:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:25:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 20:25:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 20:25:36,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:36,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750729694] [2024-11-07 20:25:36,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750729694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:25:36,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928158205] [2024-11-07 20:25:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:36,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:36,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:36,275 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:36,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-07 20:25:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:36,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:25:36,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:25:36,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:25:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928158205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:25:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-07 20:25:36,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68536246] [2024-11-07 20:25:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:36,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:25:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:36,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:25:36,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:25:36,459 INFO L87 Difference]: Start difference. First operand 566 states and 826 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:25:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:37,187 INFO L93 Difference]: Finished difference Result 619 states and 834 transitions. [2024-11-07 20:25:37,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:25:37,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-07 20:25:37,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:37,189 INFO L225 Difference]: With dead ends: 619 [2024-11-07 20:25:37,189 INFO L226 Difference]: Without dead ends: 618 [2024-11-07 20:25:37,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:25:37,190 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 433 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:37,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 585 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:25:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-07 20:25:37,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 566. [2024-11-07 20:25:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5509761388286334) internal successors, (715), 508 states have internal predecessors, (715), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 825 transitions. [2024-11-07 20:25:37,232 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 825 transitions. Word has length 67 [2024-11-07 20:25:37,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:37,232 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 825 transitions. [2024-11-07 20:25:37,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:25:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 825 transitions. [2024-11-07 20:25:37,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:25:37,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:37,233 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:37,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-07 20:25:37,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 20:25:37,434 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:37,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:37,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1792140791, now seen corresponding path program 1 times [2024-11-07 20:25:37,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:37,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286633137] [2024-11-07 20:25:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:37,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:25:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:25:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:25:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:25:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 20:25:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:25:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:25:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:25:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:25:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286633137] [2024-11-07 20:25:37,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286633137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:37,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:25:37,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:25:37,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488757316] [2024-11-07 20:25:37,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:37,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:25:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:25:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:25:37,511 INFO L87 Difference]: Start difference. First operand 566 states and 825 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:25:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:37,887 INFO L93 Difference]: Finished difference Result 595 states and 833 transitions. [2024-11-07 20:25:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:25:37,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2024-11-07 20:25:37,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:37,889 INFO L225 Difference]: With dead ends: 595 [2024-11-07 20:25:37,889 INFO L226 Difference]: Without dead ends: 593 [2024-11-07 20:25:37,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:25:37,890 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 313 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:37,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 415 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:25:37,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-07 20:25:37,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 566. [2024-11-07 20:25:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5466377440347072) internal successors, (713), 508 states have internal predecessors, (713), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 823 transitions. [2024-11-07 20:25:37,920 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 823 transitions. Word has length 69 [2024-11-07 20:25:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:37,921 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 823 transitions. [2024-11-07 20:25:37,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:25:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 823 transitions. [2024-11-07 20:25:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 20:25:37,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:37,922 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:37,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 20:25:37,922 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:37,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:37,923 INFO L85 PathProgramCache]: Analyzing trace with hash -376461926, now seen corresponding path program 1 times [2024-11-07 20:25:37,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:37,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975775836] [2024-11-07 20:25:37,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:37,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:25:37,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298521982] [2024-11-07 20:25:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:37,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:37,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:25:37,943 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:25:37,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-07 20:25:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:37,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:25:37,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:25:38,046 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:38,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:38,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975775836] [2024-11-07 20:25:38,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:25:38,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298521982] [2024-11-07 20:25:38,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298521982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:25:38,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:25:38,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:25:38,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108009969] [2024-11-07 20:25:38,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:38,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:25:38,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:38,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:25:38,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:25:38,065 INFO L87 Difference]: Start difference. First operand 566 states and 823 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:25:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:25:38,496 INFO L93 Difference]: Finished difference Result 609 states and 839 transitions. [2024-11-07 20:25:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:25:38,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-07 20:25:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:25:38,498 INFO L225 Difference]: With dead ends: 609 [2024-11-07 20:25:38,498 INFO L226 Difference]: Without dead ends: 608 [2024-11-07 20:25:38,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:25:38,500 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 360 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:25:38,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 331 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:25:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-07 20:25:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 566. [2024-11-07 20:25:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5379609544468547) internal successors, (709), 508 states have internal predecessors, (709), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:25:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2024-11-07 20:25:38,537 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 68 [2024-11-07 20:25:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:25:38,537 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2024-11-07 20:25:38,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:25:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2024-11-07 20:25:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 20:25:38,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:25:38,537 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:25:38,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-07 20:25:38,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:25:38,738 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-07 20:25:38,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:25:38,738 INFO L85 PathProgramCache]: Analyzing trace with hash 34589464, now seen corresponding path program 1 times [2024-11-07 20:25:38,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:25:38,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997917671] [2024-11-07 20:25:38,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:25:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:25:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:25:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:25:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:25:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:25:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 20:25:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:25:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:25:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:25:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:25:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:25:38,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:25:38,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997917671] [2024-11-07 20:25:38,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997917671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:25:38,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:25:38,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:25:38,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218319622] [2024-11-07 20:25:38,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:25:38,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:25:38,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:38,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:25:38,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:25:38,789 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)